This backpack will exceeded your expectations. It is a great quality large multi-functional duffel bag . The material is excellent and the seaming is strong. A lot of stuff fits in this bag. It is perfect for a camping, hiking, trekking, mountaineering or weekend getaway. The backpack even has padding on the back for more comfortable fit when you are wearing it. We guarantee you a great happiness with this durable backpack . Travel large-capacity backpack is the thing that meets everyone's demand: This backpack has 40L, which is improved by the smaller one. It's water repellent. It is perfect for 5 to 7 days of travel and is the ultimate choice for travel, hiking and hiking. The difference between it and the small one: 1. This bag has a large capacity, but its weight is relatively light, only 3.3lb. We changed some of its heavier parts to lighter but functional materials. 2. Its main pocket opening method is different from that of the small one. This opening method can get a larger opening for loading, which is very convenient. Backpack pocket: Its main pocket is very large and can hold 6 to 10 pieces of clothing. The main pocket also has a 17-inch laptop compartment and a mesh zip pocket, a waterproof zip pocket. The opening of the main pocket consists of a high quality two-way zipper. Its front pocket main bag has compartments that allow your items to be stored in an orderly manner. Above the front pocket is a lateral zip pocket made of a touch-sensitive material that fits into your small object. Comfortable back and shoulder strap: Its back and shoulder straps are made from elastic and breathable materials. It can make your journey comfortable rather than burdensome, even if you load a lot of items. Its shoulder straps are sturdy and have four ring-shaped loops to hold your belongings and an adjustable waistband.